Colbath,G.K.

Author:
Colbath,G.K.

Year:
1986

Title:
Abrupt terminal Ordovician extinction in phytoplankton associations, Southern Appalachians.

Reference:

Colbath,G.K. (1986) Abrupt terminal Ordovician extinction in phytoplankton associations, Southern Appalachians. Geology Vol. 14 P. 943- 946

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Genus	Species	Country(Region)	From	To
Actinotodissus	Actinotodissus crassus	USA(Eastern)	Ashgillian
Axisphaeridium	Axisphaeridium cylindratum	USA(Eastern)	Ashgillian
Baltisphaeridium	Baltisphaeridium	USA(Eastern)	Ashgillian
Cymatiosphaera	Cymatiosphaera densisepta	USA(Eastern)	Ashgillian	Llandoverian
Cymatiosphaera	Cymatiosphaera sp	USA(Eastern)	Llandoverian
Dicommopalla	Dicommopalla macadamii	USA(Eastern)	Ashgillian
Diexallophasis	Diexallophasis denticulata	USA(Eastern)	Llandoverian
Elektoriskos	Elektoriskos pogonius	USA(Eastern)	Ashgillian	Llandoverian
Fractoricoronula	Fractoricoronula cubitalia	USA(Eastern)	Ashgillian
Leiosphaeridia	Leiosphaeridia	USA(Eastern)	Ashgillian	Llandoverian
Micrhystridium	Micrhystridium sp	USA(Eastern)	Ashgillian	Llandoverian
Multiplicisphaeridium	Multiplicisphaeridium sp	USA(Eastern)	Ashgillian	Llandoverian
Peteinosphaeridium	Peteinosphaeridium sp	USA(Eastern)	Ashgillian	Llandoverian
Polygonium	Polygonium	USA(Eastern)	Llandoverian
Pterospermella	Pterospermella	USA(Eastern)	Llandoverian
Tunisphaeridium	Tunisphaeridium parvum	USA(Eastern)	Ashgillian	Llandoverian
Veryhachium	Veryhachium europaeum	USA(Eastern)	Ashgillian	Llandoverian